Quiz 5

During a chemical reaction, all of the atoms that make up the 1._____________ rearrange to form the 2.___________.

• 1. chemicals 2. atoms
• 1. reactants 2. products
• 1. items 2. other items
• 1. products 2. reactants

Is burning a type of chemical reaction?

• Yes
• No

Which claim is correct? What happens to the atoms of a substance when it burns?

• Claim 1: All of the atoms are destroyed.
• Claim 2: All of the atoms rearrange to form a different substance or different substances.
• Claim 3: Some of the atoms are destroyed, and some of the atoms rearrange to form a different substance or different substances.

Can atoms be destroyed?

• Yes
• No
• Sometimes
• Every time a chemical reaction happens

Mrs. Lenzi said in class which of these 3 things about what to do after school?

• 1. Stay on campus 2. leave whenever you want 3. Hang out at dollar tree
• 1. If you leave school and get in trouble its not the schools problem 2. Leave right after school 3. Starbucks wants you hanging out at there shop
• 1. Go home and do not hang out on campus 2. Local businesses do not want you at their stores 3. You will receive consequences for inappropriate behavior to and from school
• 1. Go home 2. Stop at dollar tree on the way home 3. It is okay to act inappropriate on your way home from school

When is it okay to physically touch another student at school?

• Only when hugging
• When you are friends with the person and they say its okay
• Only on certain days
• It is never okay to be physically touching another student at school

What is an Endothermic reaction?

• it is a reaction where the energy in an object disappears form existence
• it is a reaction that takes in energy from its surroundings and stores the energy away
• it is a reaction that releases stored energy
• it is a reaction that can only happen on certain planets in our solar system

What is an Exothermic reaction?

• it is a reaction where the energy in an object disappears form existence
• it is a reaction that takes in energy from its surroundings and stores the energy away
• it is a reaction that releases stored energy
• it is a reaction that can only happen on certain planets in our solar system

Would you be able to get energy from your food if there weren't chemical reactions in your body?

• Yes
• No
• Maybe

Which one of these models shows what happens when you burn ethanol?

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